opposite - Atoms must have _____ charges to attract each other, covalent - What type of bonding occurs between non-metals and non-metals?, electrons - Negatively-charged part of an atom, gain - An atom with 7 electrons in its outer shell must ____ one electron to become an ion, non-metals - The elements found on the right side of the periodic table, lost - Positively charged ions are formed when electrons are _____, transferred - Electrons are ________ to form ionic compounds, metals - Elements that usually have high boiling points and are malleable and ductile, shared - During a covalent bond, electrons are _____, positive - What charge are protons?, delocalised - What term describes the electrons in a metallic bond?, metallic - What type of bonding occurs between metal and metal?, ionic - What type of bonding occurs between metals and non-metals?, electrostatic - What word describes the attraction between ions in an ionic compound?, hydrogen - What element is shown in the formula H2?, sodium chloride - What element is shown in the formula NaCl?, H2O - What is the chemical formula for water?, eleven - How many electrons are there in sodium?, four - How many protons are there in berylium?, six - How many neutrons are there in boron?, double - If one electron is shared in a covalent bond, what is the bond called?, diatomic - When two atoms covalently bond, what is the molecule called?,

Chemical bonding

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